package com.zl.spbm.service.impl;

import java.io.File;

import javax.mail.internet.MimeMessage;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.core.io.FileSystemResource;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Component;

import com.zl.spbm.service.inter.IMailService;

@Component
public class MailServiceImpl implements IMailService{

    private final Logger logger = LoggerFactory.getLogger(this.getClass());

    @Autowired
    private JavaMailSender mailSender;

    @Value("${spring.mail.fromMail.addr}")
    private String from;

    @Override
    public void sendSimpleMail(String to, String subject, String content) {
        SimpleMailMessage message = new SimpleMailMessage();
        message.setFrom(from);
        message.setTo(to);
        message.setSubject(subject);
        message.setText(content);
        try {
            mailSender.send(message);
            logger.info("简单邮件已经发送。");
        } catch (Exception e) {
            logger.error("发送简单邮件时发生异常！", e);
        }
    }

	@Override
	public void sendHtmlMail(String to, String subject, String content) {
		MimeMessage message = mailSender.createMimeMessage();
	    try {
	        //true表示需要创建一个multipart message
	        MimeMessageHelper helper = new MimeMessageHelper(message, true);
	        helper.setFrom(from);
	        helper.setTo(to);
	        helper.setSubject(subject);
	        helper.setText(content, true);

	        mailSender.send(message);
	        logger.info("html邮件发送成功");
	    } catch (Exception e) {
	        logger.error("发送html邮件时发生异常！", e);
	    }
		
	}

	@Override
	public void sendAttachmentsMail(String to, String subject, String content, String filePath) {
		MimeMessage message = mailSender.createMimeMessage();
		try {
	        MimeMessageHelper helper = new MimeMessageHelper(message, true);
	        helper.setFrom(from);
	        helper.setTo(to);
	        helper.setSubject(subject);
	        helper.setText(content, true);

	        FileSystemResource file = new FileSystemResource(new File(filePath));
	        String fileName = filePath.substring(filePath.lastIndexOf(File.separator));
	        helper.addAttachment(fileName, file);

	        mailSender.send(message);
	        logger.info("带附件的邮件已经发送。");
	    } catch (Exception e) {
	        logger.error("发送带附件的邮件时发生异常！", e);
	    }
		
	}
}